If your puppy tries to eat everything outside, a simple walk can start to feel like a constant search for the next leaf, stone, cigarette butt, food wrapper or mysterious pavement snack.
You may find yourself watching the ground instead of enjoying the walk, repeating “leave it” every few seconds and trying to remove things before your puppy swallows them. It is exhausting, and the worry behind it is completely understandable.
The reassuring news is that picking things up is extremely common in puppies. They are curious, inexperienced and learning about a world full of unfamiliar smells, tastes, textures and movement. The aim is not to stop all curiosity. It is to help your puppy explore safely, prevent avoidable risks and teach useful behaviours without turning every discovery into a battle.
Your puppy is not abnormal, naughty or deliberately trying to ruin the walk. They are doing exactly what puppies do. What matters is how we manage the environment, respond when they find something and teach them what we would like them to do instead.
Quick answer: Puppies often pick things up because they explore with their mouths, are teething and find the outside world highly rewarding. Most are investigating rather than deliberately trying to swallow everything. The safest approach combines supervision, thoughtful route choices, calm swaps and well-practised behaviours such as responding to their name and dropping an item.

Why does my puppy eat everything outside?
Owners often use the word “eat” to describe several different behaviours. Your puppy may be sniffing, licking, mouthing, carrying, chewing or genuinely swallowing an object. Those distinctions matter.
A puppy who carries a leaf for three metres and drops it is behaving differently from a puppy who repeatedly consumes stones, fabric, plastic or other non-food items. Both require supervision, but they do not necessarily have the same cause or level of risk.
In puppy consultations, I often see owners understandably treating every object as an emergency. Once we separate harmless investigation from genuine swallowing risk, walks usually become easier to manage and the puppy is less likely to learn that every find starts a chase or struggle.
Puppies investigate with their mouths
Humans can pick something up, turn it over and examine it with our hands. Puppies use their noses and mouths. Mouthing an object helps them gather information about its texture, weight, taste, smell and whether it moves or crunches.
That does not mean every puppy intends to swallow everything they touch. Quite often, they are investigating. If the item is harmless and we remain calm, they may carry it briefly, decide it is not particularly exciting, drop it and move on.
Teething can increase chewing
Young puppies also experience discomfort as their adult teeth develop and emerge. Chewing can feel satisfying, which may make sticks, bark, stones and other textured objects especially tempting. Appropriate chewing opportunities at home can support this need, although they do not replace close supervision outside.
The environment is highly reinforcing
The pavement and verges contain smells from people, dogs, wildlife, dropped food and rubbish. To a puppy, a flattened chip, damp tissue or old leaf can be far more interesting than it appears to us. The item may also be more reinforcing than the food you are carrying in that particular moment.
Some puppies are especially motivated to pick things up
Breed, individual temperament, previous learning and opportunity can all influence the behaviour. Retrievers, spaniels and other gundog breeds have generations of selection behind behaviours such as searching, picking up, carrying and holding objects. That does not mean every gundog will scavenge or guard resources, but it does mean that carrying things may feel particularly natural and rewarding.
The more often a puppy practises finding and swallowing items, the more efficient they may become. Prevention is therefore not “cheating”. It is an important part of training.
Is it normal for puppies to pick everything up on walks?
Yes, investigating and mouthing objects is a normal part of puppy development. It is particularly common during early walks, when almost everything outside is new.
Normal does not mean risk-free. A behaviour can be developmentally normal and still need careful management. Roads are normal environments, but we still use a lead. Puppy curiosity is normal, but we still prevent access to dangerous objects.
Common puppy investigation
Your puppy briefly mouths or carries a harmless leaf, small piece of bark or similar object, then loses interest and moves on.
A pattern worth investigating
Your puppy persistently consumes non-food items, actively searches for them, cannot be redirected, damages teeth, becomes unwell or appears driven to swallow objects repeatedly.
Persistent ingestion of non-food items is sometimes described as pica. Pica can have behavioural or medical contributors, including gastrointestinal problems, parasites, anaemia, dietary problems, anxiety and other conditions. If your puppy repeatedly swallows non-food objects rather than simply investigating them, speak with your vet rather than assuming it is only a training issue. The veterinary overview from VCA Animal Hospitals explains why persistent pica warrants proper assessment.
Why taking everything away can make the problem worse
When a puppy picks up something, owners naturally worry. We move closer, reach towards their mouth, repeat a cue, open their jaws or chase them if they try to move away.
From the puppy’s point of view, that sudden attention can make an ordinary object seem important. They may learn:
- humans become very interested when I find something;
- the object is about to be taken away;
- I need to move away to keep it;
- I need to swallow it before the person reaches me;
- finding objects starts an exciting chase or negotiation.
A puppy who was simply carrying a leaf may suddenly gulp it because we have accidentally created a race.

Repeatedly removing objects can also affect trust around possessions. If a puppy learns that hands approaching always predict losing something, they may begin holding items more tightly, running away, freezing, growling or guarding what they have found.
This does not mean you should ignore dangerous items. Safety comes first. It means we should avoid creating unnecessary conflict over harmless objects and use calm exchanges when something genuinely needs to be removed. For more detailed guidance, read How to Prevent Resource Guarding in Dogs.
A useful question:
Before rushing in, ask: “Is this genuinely dangerous, or is my puppy simply investigating it?”
How to stop your puppy eating everything on walks
There is rarely one cue that solves puppy scavenging. The most effective plan usually combines environmental management, observation, calm exchanges and training behaviours that are incompatible with eating something from the ground.
1. Scan ahead rather than waiting for a problem
When I walk a puppy, I am always playing a quiet game of “spot the treasure before they do”. Looking ahead gives you choices before the puppy reaches the object.

You might:
- cross the road;
- move a metre away;
- take a wider route around dropped food or rubbish;
- change direction before your puppy notices it;
- position yourself between your puppy and the object;
- cover a small item with your foot if you notice it at the last moment;
- guide your puppy past with food.
These choices are practical management. They prevent repeated practice of a behaviour you do not want and reduce the need for confrontation.
2. Avoid the pavement’s collection points
Litter, food, berries, cigarette ends and windblown debris often collect along walls, fences, hedges and bushes. Walking slightly farther from this “building line” can dramatically reduce how many objects your puppy reaches.
That may require a compromise. The verge may contain exciting scents, particularly for a spaniel or other scent-driven puppy, but you can choose cleaner sections, allow sniffing where visibility is good and move away from areas where rubbish has collected.
3. Use food before your puppy is committed
Food is often most effective before the puppy reaches the object. Hold a suitable reward near your puppy’s nose and guide them past, then reward them once you are clear.
If food regularly has no value outside, look at why. Your puppy may be too worried, over-aroused, full, unwell, uninterested in the reward you selected or already focused on something much more reinforcing. A puppy who normally loves food but suddenly refuses it may be giving you useful information about their emotional or physical state.
Small, easy-to-deliver rewards make this much easier on walks. You can browse our recommended dog training treats for suitable options.
4. Allow harmless investigation when appropriate
If your puppy picks up a harmless leaf or another low-risk object, consider continuing to walk while observing them. More often than not, they carry it, decide it is not very exciting, drop it and move on.
This is not permission to ignore every object. Stones can damage teeth or cause a blockage if swallowed. Sticks can splinter, lodge in the mouth or throat and cause serious injury. Cigarette butts, medication, chewing gum, cooked bones, mouldy food and unknown substances can be hazardous. The point is to assess rather than automatically react in exactly the same way to everything.
5. Swap rather than grab
If you need the object back, offer something your puppy values more. Present the reward calmly, allow the puppy to release the item and then move away from it.

A successful swap should feel safe and predictable. Avoid repeatedly putting your hands into your puppy’s mouth, chasing them or sounding angry. Those reactions can make the puppy move away, hold on or swallow more quickly.
6. Teach a reliable drop cue
I teach “drop” because it tells the dog exactly what I would like them to do with an item they already have. Begin with safe training objects in an easy environment, reinforce the release generously and build the behaviour gradually before expecting it to work around exciting finds outside.
The full step-by-step drop exercise is included within our Perfect Puppy online course, alongside practical foundations for everyday puppy life.
7. Teach what you want instead of repeating “leave it”
I do not rely on repeatedly telling a puppy “leave it”. It focuses on what the puppy should not do, often after they are already interested in the object. Repeating a cue before it has been carefully taught can also turn it into background noise. I would rather build behaviours I can positively reinforce.
Useful alternatives include:
- responding to their name;
- looking towards you;
- following you away;
- touching a hand target;
- recalling towards you;
- dropping an item they already hold.

Looking at you is incompatible with eating something from the pavement at that moment. A strong name response therefore gives you a positive, useful behaviour to reinforce. Our guide to teaching your dog’s name response explains how to build that foundation.
Do not wait until your puppy reaches a cigarette butt to discover whether a cue works.
Teach useful responses in easy situations, reinforce them well and then introduce carefully controlled distractions.
What if treats do not work?
“Redirect with a treat” is useful advice, but it is not a complete plan and it will not work in every moment.
If your puppy ignores food, consider:
- whether the item on the ground is more valuable than your reward;
- whether you offered the food before or after your puppy became committed;
- whether your puppy is frightened, overstimulated or too excited to eat;
- whether the walk or environment is currently too difficult;
- whether your puppy is already full;
- whether they dislike the reward;
- whether a sudden change in appetite could indicate illness or discomfort.
This is why the plan includes several tools. You can create distance, change direction, cover an item, use positioning, choose a cleaner route, swap, ask for a trained response or leave the environment altogether.
If a puppy who normally enjoys food frequently cannot eat during ordinary walks, I would look beyond the scavenging itself. Their refusal may be information about stress, arousal, health or the difficulty of the environment.
Should you use a muzzle for a puppy who eats everything?
For a dog who persistently swallows dangerous items, an appropriately selected and positively introduced basket muzzle can provide an additional layer of safety while the underlying problem is assessed and addressed.
A muzzle should allow comfortable panting, drinking and reward delivery. It should not be used to force a worried puppy into environments they cannot cope with, and it does not replace veterinary investigation, management or training.
Because fit, design and gradual familiarisation matter, seek individual guidance rather than buying a restrictive muzzle and putting it straight on before a walk.
When is puppy scavenging a veterinary concern?
Contact your vet promptly if you know or suspect your puppy has swallowed something toxic, sharp, indigestible or large enough to cause an obstruction. Do not wait for symptoms and do not try to make your puppy vomit unless a vet specifically instructs you to do so.
The PDSA’s poison first-aid advice recommends contacting your vet as soon as possible if you think your pet has eaten something poisonous. Foreign objects can also become lodged in the oesophagus, stomach or intestines. Veterinary guidance from the Merck Veterinary Manual explains that plastic, rocks, bones and other non-digestible objects can cause partial or complete obstruction.
Seek urgent veterinary advice if your puppy has swallowed something concerning or develops symptoms such as:
- repeated vomiting or retching;
- gagging, drooling or repeated attempts to swallow;
- difficulty breathing;
- loss of appetite;
- abdominal pain, swelling or a tense abdomen;
- lethargy, weakness or collapse;
- difficulty passing faeces;
- blood in vomit or faeces;
- a sudden change in behaviour after a suspected ingestion.
When possible, tell your vet what was swallowed, how much, when it happened and your puppy’s approximate weight. Take packaging, a sample or a photograph if it is safe to do so.
Will my puppy grow out of eating everything?
Many puppies become less indiscriminate as they mature, gain experience and develop better trained responses. However, age alone is not a training plan.
If scavenging is repeatedly reinforced by finding food, receiving exciting attention, starting a chase or successfully swallowing objects, the behaviour can become more established. Some adult dogs remain enthusiastic scavengers, particularly in environments where dropped food is common.
Focus on the habits you can build now:
- choosing routes thoughtfully;
- watching ahead;
- responding to their name;
- following you away;
- checking in voluntarily;
- swapping safely;
- dropping on cue;
- trusting that your approach does not always mean losing something.
Early walks are already full of new information. Our guide to puppy first walks explains why stopping, sniffing, watching and moving slowly can all be valuable parts of learning outside.
Build a scavenging plan around your puppy
A puppy who occasionally carries a leaf needs a different plan from a puppy who repeatedly swallows stones. Consider the type of objects, where the behaviour happens, how often it occurs, whether your puppy can eat or respond, what happens when you approach and whether there are any signs of illness, anxiety or guarding.
A useful plan may include:
- a veterinary check where persistent ingestion or illness is a concern;
- cleaner, easier walking routes;
- high-value, practical rewards;
- strong name response and check-ins;
- a positively trained drop cue;
- calm swaps;
- reduced conflict around harmless objects;
- careful support for any resource guarding;
- muzzle training where an additional safety layer is genuinely needed.
Step-by-step help for real puppy life
Knowing what to do is easier when you have practised the skills before you need them. Our Perfect Puppy online course includes force-free, practical exercises for everyday puppy life, including teaching a reliable drop cue before you need it outside.
You can work through the lessons at home, repeat exercises as needed and build reliable responses gradually rather than trying to teach them during an emergency on the pavement.
Puppy training support in Essex and Hertfordshire
If walks are becoming stressful, your puppy repeatedly swallows unsafe objects or you are worried about guarding, individual guidance can help you understand the full picture and build a plan around your puppy.
Our 1:1 puppy training consultations give us time to discuss your puppy’s behaviour, daily routine, environment and the situations you are finding difficult. Telephone consultations are available, with home visits offered where appropriate in Essex and Hertfordshire.
Owners looking for structured, positive foundations can also explore our puppy classes and wider support through the HPDT dog training services page.
Your puppy is doing exactly what puppies do.
Our job is not to stop them being curious. It is to help them explore safely, manage the environment where we can and teach them what to do instead.
FAQ
Why does my puppy eat everything outside?
Puppies commonly investigate unfamiliar objects with their mouths. Teething, curiosity, smell, taste, texture, previous reinforcement and individual breed tendencies can all contribute. Briefly mouthing or carrying an object is different from persistently swallowing non-food items.
How do I stop my puppy eating everything on walks?
Combine management and training. Scan ahead, create distance, choose cleaner routes, cover missed items with your foot, guide your puppy past with food, allow safe investigation where appropriate, swap rather than grab and teach reliable behaviours such as name response and drop.
Should I take everything out of my puppy’s mouth?
No. Dangerous objects need prompt action, but repeatedly grabbing harmless items can increase their value, create a chase or encourage faster swallowing. Assess the risk and use calm swaps when an item genuinely needs to be removed.
Why does my puppy swallow things when I approach?
Your approach may predict that the item will be taken away. This can accidentally create a race, causing some puppies to move away, hold on or swallow quickly. Calm exchanges and avoiding unnecessary conflict can help change that expectation.
Is it normal for a puppy to eat leaves?
Many puppies briefly mouth, carry or chew leaves. Check that the plant is safe and that the leaves have not been contaminated by chemicals, mould or toxic substances. Persistent ingestion, vomiting or illness should be discussed with your vet.
Is it dangerous for a puppy to eat stones?
Yes. Stones can fracture teeth, become lodged or cause a gastrointestinal blockage if swallowed. Prevent access where possible and contact your vet promptly if you think your puppy has swallowed one.
Why will my puppy not take treats outside?
The environment or item may be more reinforcing, the reward may be too low in value, or your puppy may be worried, over-aroused, full or unwell. If a normally food-motivated puppy regularly refuses food outside, reduce the difficulty and consider whether veterinary or professional support is needed.
When should I contact my vet?
Contact your vet promptly if your puppy has swallowed something toxic, sharp, indigestible or potentially obstructive, repeatedly consumes non-food items, or develops vomiting, retching, drooling, gagging, appetite loss, abdominal pain, lethargy, breathing difficulty or another sudden change. Do not induce vomiting unless your vet instructs you to do so.
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